.Net: More API Manifest plugin examples from Microsoft Graph (#5098)

### Motivation and Context

These examples were previously blocked by issue #4991

### Description

- Adds three more API Manifest plugin examples.

### Contribution Checklist

<!-- Before submitting this PR, please make sure: -->

- [x] The code builds clean without any errors or warnings
- [x] The PR follows the [SK Contribution
Guidelines](https://github.com/microsoft/semantic-kernel/blob/main/CONTRIBUTING.md)
and the [pre-submission formatting
script](https://github.com/microsoft/semantic-kernel/blob/main/CONTRIBUTING.md#development-scripts)
raises no violations
- [x] All unit tests pass, and I have added new tests where possible
- [x] I didn't break anyone 😄

Co-authored-by: SergeyMenshykh <68852919+SergeyMenshykh@users.noreply.github.com>

dotnet/samples/KernelSyntaxExamples/Example83_ApiManifest.cs

@@ -27,6 +27,9 @@ public Example83_ApiManifest(ITestOutputHelper output) : base(output)
     {
         // function names are sanitized operationIds from the OpenAPI document
         new object[] { "MessagesPlugin", "meListMessages", new KernelArguments { { "_top", "1" } }, "MessagesPlugin" },
+        new object[] { "DriveItemPlugin", "driverootGetChildrenContent", new KernelArguments { { "driveItem-Id", "test.txt" } }, "DriveItemPlugin", "MessagesPlugin" },
+        new object[] { "ContactsPlugin", "meListContacts", new KernelArguments() { { "_count", "true" } }, "ContactsPlugin", "MessagesPlugin" },
+        new object[] { "CalendarPlugin", "mecalendarListEvents", new KernelArguments() { { "_top", "1" } }, "CalendarPlugin", "MessagesPlugin"},
     };
 
     [Theory, MemberData(nameof(s_parameters))]

dotnet/samples/KernelSyntaxExamples/Plugins/ApiManifestPlugins/CalendarPlugin/apimanifest.json

@@ -0,0 +1,18 @@
+{
+    "applicationName": "SemanticKernel",
+    "publisher": {
+        "name": "publisher-name",
+        "contactEmail": "publisher-email@example.com"
+    },
+    "apiDependencies": {
+        "microsoft.graph": {
+            "apiDescriptionUrl": "https://raw.githubusercontent.com/microsoftgraph/msgraph-metadata/master/openapi/v1.0/graphexplorer.yaml",
+            "requests": [
+                {
+                    "method": "Get",
+                    "uriTemplate": "/me/calendar/events"
+                }
+            ]
+        }
+    }
+}

dotnet/samples/KernelSyntaxExamples/Plugins/ApiManifestPlugins/ContactsPlugin/apimanifest.json

@@ -0,0 +1,18 @@
+{
+    "applicationName": "SemanticKernel",
+    "publisher": {
+        "name": "publisher-name",
+        "contactEmail": "publisher-email@example.com"
+    },
+    "apiDependencies": {
+        "microsoft.graph": {
+            "apiDescriptionUrl": "https://raw.githubusercontent.com/microsoftgraph/msgraph-metadata/master/openapi/v1.0/graphexplorer.yaml",
+            "requests": [
+                {
+                    "method": "Get",
+                    "uriTemplate": "/me/contacts"
+                }
+            ]
+        }
+    }
+}

dotnet/samples/KernelSyntaxExamples/Plugins/ApiManifestPlugins/DriveItemPlugin/apimanifest.json

@@ -0,0 +1,18 @@
+{
+    "applicationName": "SemanticKernel",
+    "publisher": {
+        "name": "publisher-name",
+        "contactEmail": "publisher-email@example.com"
+    },
+    "apiDependencies": {
+        "microsoft.graph": {
+            "apiDescriptionUrl": "https://raw.githubusercontent.com/microsoftgraph/msgraph-metadata/master/openapi/v1.0/graphexplorer.yaml",
+            "requests": [
+                {
+                    "method": "Get",
+                    "uriTemplate": "/drive/root/children/{driveItem-id}/content"
+                }
+            ]
+        }
+    }
+}